To view PDF files

You need Adobe Reader 7.0 or later in order to read PDF files on this site.
If Adobe Reader is not installed on your computer, click the button below and go to the download site.

March 2015 Vol. 13 No. 3

Japanese

View from the Top

  • Katsuhiko Shirai, External Board Member of NTT, Chairperson of the Foundation for the Open University of Japan

Feature Articles: Reducing the Environmental Burden of ICT Services

  • R&D Efforts to Reduce the Burden of ICT Services on the Environment
  • Evaluation Methods of the °∆By ICT°« Effect
  • R&D on Conservation of Material Resources in Telecom Facilities
  • Materials Technology for the Production and Storage of Energy
  • Efforts to Improve Energy Efficiency of Network Service System
  • Issues and Solutions in Saving Energy of Optical Access Network Equipment
  • HVDC Power Supply System Implementation
  • Development of Equipment for HVDC Power Supply Systems

Feature Articles: NTT Tsukuba Forum 2014 Workshop Lectures

  • Future Optical Access Technologies for Flexible Service Deployment
  • R&D Trends in Optical Fiber and Cable Technology
  • NTT R&D Activities toward Future Access Network Operation

Regular Articles

  • Development of 100-Gbit/s Packet Transport System

Global Standardization Activities

  • Standardization Trends for Next-Generation Passive Optical Network Stage 2 (NG-PON2)

External Awards/Papers Published in Technical Journals and Conference Proceedings